Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] B (Bearer) channel ISDN B channels (ISDN) Layer 1 2nd 3rd 4th devices 2nd interfaces 2nd Layer 2 LAPD frame format 2nd 3rd 4th 5th 6th logical link establishment (LAPD) 2nd Layer 3 Q.931 2nd 3rd 4th B channels (NFAS) out-of-order detecting B8ZS (bipolar 8-zero substitution) 2nd backup interfaces DDR configuration BACP (Bandwidth Allocation Control Protocol) bandwidth of modems 2nd Bandwidth Allocation Control Protocol bandwidth interval Frame Relay bandwidth on demand ISDN BRI configuration Barker sequence baseline behavior network topology discovering 2nd 3rd performance establishing 2nd 3rd 4th 5th basic-5ess switch types (ISDN) 2nd basic-5ESS switches (ISDN) SPIDs configuring 2nd 3rd BBFW (Broadband Fixed Wireless) P2MP solutions Bc (committed burst rate) Be (excess burst rate) bearer services Frame Relay 2nd BECN (backward explicit congestion notification) bit (Frame Relay Address field) BECNs 2nd 3rd 4th 5th BERTs testing T1 circuits 2nd bidirectional procedures billing expenses binary phase-shift keying Birkner, Matthew H. BISDN (Broadband ISDN) bit errors checking on T1 circuits 2nd bit-robbing signaling blue alarms Boosted Session Transport BPSK (binary phase-shift keying) BRI 2nd 3rd 4th 5th 6th 7th D channel testing 2nd data link layer troubleshooting:ISDN:BRI:data link layer, troubleshooting 2nd 3rd 4th 5th 6th 7th 8th developing troubleshooting process in remote service environment developing troubleshooting process in remote services environment accessing remote user 's router 2nd 3rd preconfiguring routers on both ends 2nd end-to-end communications routing issues, resolving 2nd troubleshooting LEC switch settings initializing keepalive mechanism network layer troubleshooting:ISDN:BRI:network layer, troubleshooting 2nd 3rd 4th 5th 6th 7th 8th 9th 10th troubleshooting:ISDN:BRI:network layer, troubleshooting;network layer:troubleshooting ISDN BRI;OSI model:network layer:troubleshooting ISDN BRI 2nd performance issues LEC switch problems 2nd LEC switch problems;ISDN BRI:performance issues:LEC switch problems;LEC switch problems:ISDN performance issues:troubleshooting 2nd line problems 2nd 3rd 4th 5th line problems;ISDN BRI:performance issues:lines;line problems:ISDN performance issues:troubleshooting routing settings physical layer troubleshooting:ISDN:BRI:physical layer, troubleshooting 2nd 3rd 4th 5th 6th 7th 8th service layers viewing 2nd 3rd SPIDs BRI (Basic Rate Interface) bridging Frame Relay 2nd 3rd broadband wireless services limitations of 2nd LMDS 2nd MMDS 2nd unlicensed frequencies broadcast queues Frame Relay configuration 2nd BST BST (Boosted Session Transport) BST (Boosted Session Transport) protocol budgeting remote access costs bursty traffic |